US Bridges

Nd Highway 8 over Creek

Fair

Adams County, North Dakota · 9 North JCT US 12 · Structure no. 0008020992

Built
1934
91 years old, rebuilt 1960
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
510
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 8 over Creek is a concrete culvert carrying Nd Highway 8 over Creek in Adams County, North Dakota. It was built in 1934 and reconstructed in 1960, so it is 91 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 510 vehicles a day, roughly 10% of them trucks, projected to reach 377 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 55.9 mi (90 km).

Location

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CarriesNd Highway 8
CrossesCreek
Location9 North JCT US 12
RouteState Highway 8
CountyAdams County
StateNorth Dakota
Coordinates46.13026, -102.47669
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2019)
Projected traffic377 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway 8 over Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1960.

What condition is Nd Highway 8 over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Nd Highway 8 over Creek carry?

About 510 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Nd Highway 8 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 8 over Creek?

It is owned by the State Highway Agency.